PRO Single Port USB to Serial Adapter with Activity LED 3ft.
StarTech.com 4 Port Serial Hub USB to RS232/RS485/RS422 Adapter, Industrial USB 2.0 to DB9 Serial Converter Hub, IP30 Rated, Din Rail Mountable Metal Serial Hub, 15kV ESD Protection - 6ft Locking Cable
RS232 to USB Adapter - ATC-810 – Grid Connect
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics
USB to DB9-232/485 Serial to USB Converter Cable – Alicat Scientific
High-Speed USB to Serial Adapter - Ultimate. For Windows, Linux, Mac
StarTech 1' USB to RS232 Serial Adapter Cable, Black (ICUSB232V2) | Staples
C-USB-SERIAL: USB to RS-232 DB9M Serial Converter - iWorx Systems Inc
Startech .com 3ft (1m) USB to Serial Cable with COM Port Retention, DB9 Male RS232 to USB Converter, USB to Serial Adapter, Prolific IC... 1P3FPC- USB-SERIAL - Corporate Armor
ATEN USB Type-A Male to RS-232/DB-9 Serial Male Adapter UC232A
USB to Null Modem (Cross Wired) RS232 Serial Adapter FTDI ft232r USB RS232 to DB9 Female Adapter Cable PC Control TV Cable - AliExpress
Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 10 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X, macOS, 3 Meters/Black : Electronics
Electronic Master USB to RS232 Cable EM620503 - The Home Depot
Moxa UPort 1110 Serial Converter
Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,